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Challenge Puzzle: Andrew Stuart, posted by JC van Hay

 
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keith



Joined: 19 Sep 2005
Posts: 3178
Location: near Detroit, Michigan, USA

PostPosted: Fri Mar 22, 2013 12:54 am    Post subject: Challenge Puzzle: Andrew Stuart, posted by JC van Hay Reply with quote

A link to this puzzle was posted by JC van Hay in the Menneske 09 thread, here:

http://www.dailysudoku.com/sudoku/forums/viewtopic.php?p=36102

Here is the original puzzle:

http://www.sudokuwiki.org/weekly_sudoku.asp?puz=85


Code:
#85, December 8 - December 14: The Weekly Extreme 'Unsolveable' Sudoku Puzzle
+-------+-------+-------+
| . 2 . | 4 . . | . . . |
| 4 . . | . 8 9 | . . . |
| . . . | . 2 7 | . . 4 |
+-------+-------+-------+
| . . 1 | . . 8 | . 6 . |
| . . . | 7 . . | . . 8 |
| . 3 . | . 6 . | 5 . . |
+-------+-------+-------+
| . 6 . | . . . | . 1 . |
| . . 5 | . . . | 3 . . |
| 9 . . | 8 . . | . . 7 |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site

Keith
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wapati



Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.

PostPosted: Sat Mar 23, 2013 4:25 am    Post subject: owwie Reply with quote

I dropped this into a solver.

It solved it, but not without "guesses".

Plus, the 2 guesses were in the first 4 steps.

Really ugly puzzle!
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